package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;
import com.cn.wanxi.util.Tool;
import org.omg.PortableInterceptor.INACTIVE;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/back/user/del")
public class UserDelServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        /**
         * 0，乱码
         * 1.拿到页面的数据
         * 2.封装数据对象--model
         * 3.调用service
         * 4.得到返回数据，反馈
         * 5.将得到的数据返回给前端
         * 6.因为前端是用json对象进行传输，所以后台必须以json对象传递给前台
         *
         */
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        String idString = req.getParameter("id");
        Integer id = Tool.stringToInt(idString);
        //        3.调用service
        IUserService iUserService = new UserServiceImpl();
        String result = iUserService.del(id);
        //        将得到的数据返回给前端
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("result", result);
        resp.getWriter().println(jsonObject);
    }
}
